[U-Boot] [PATCH v4 4/6] video: cfb_console: add function to plot the logo area black

Bastian Ruppert
2012-09-14T08:29:02Z

Signed-off-by: Bastian Ruppert <Bastian.Ruppert@Sewerin.de>
CC: Anatolij Gustschin <agust@denx.de>
CC: Tom Rini <trini@ti.com>
CC: Stefano Babic <sbabic@denx.de>
---
drivers/video/cfb_console.c | 46 +++++++++++++++++++++++++++++++++++++++---
1 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index 3ae420b..c3e36c4 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -1486,7 +1486,39 @@ int video_display_bitmap(ulong bmp_image, int x, int y)

#ifdef CONFIG_VIDEO_LOGO
-void logo_plot(void *screen, int width, int x, int y)
+static void plot_logo_or_black(void *screen, int width, int x, int y, \
+ int black);
+
+static void logo_plot(void *screen, int width, int x, int y)
+{
+ plot_logo_or_black(screen, width, x, y, 0);
+}
+
+static void logo_black(void)
+{
+ plot_logo_or_black(video_fb_address, \
+ VIDEO_COLS, \
+ video_logo_xpos, \
+ video_logo_ypos, \
+ 1);
+}
+
+static int do_clrlogo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc != 1)
+ return cmd_usage(cmdtp);
+
+ logo_black();
+ return 0;
+}
+
+U_BOOT_CMD(
+ clrlogo, 1, 0, do_clrlogo,
+ "fill the boot logo area with black",
+ " "
+ );
+
+static void plot_logo_or_black(void *screen, int width, int x, int y, int black)
{

int xcount, i;
@@ -1544,9 +1576,15 @@ void logo_plot(void *screen, int width, int x, int y)
#endif
xcount = VIDEO_LOGO_WIDTH;
while (xcount--) {
- r = logo_red[*source - VIDEO_LOGO_LUT_OFFSET];
- g = logo_green[*source - VIDEO_LOGO_LUT_OFFSET];
- b = logo_blue[*source - VIDEO_LOGO_LUT_OFFSET];
+ if (black) {
+ r = 0x00;
+ g = 0x00;
+ b = 0x00;
+ } else {
+ r = logo_red[*source - VIDEO_LOGO_LUT_OFFSET];
+ g = logo_green[*source - VIDEO_LOGO_LUT_OFFSET];
+ b = logo_blue[*source - VIDEO_LOGO_LUT_OFFSET];
+ }

switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX:
--
1.7.0.4